# US 9,038,837 B2 · Removable endwall plate for electrical panels or enclosures > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,038,837 B2 - Document ID: US9038837B2 - Status: Granted - Kind: B2 - Application number: 12/731,607 - Filed: 2010-03-25 - Published: 2010-10-14 - Granted: 2015-05-26 - Earliest claimed: 2009-04-08 - Assignees: Siemens Industry, Inc. - Applicants: Kristopher Scott Robinson; Jeffrey K. Hudgins, Jr.; Arthur Shumate; Brian J. Rusch - Inventors: Kristopher Scott Robinson; Jeffrey K. Hudgins, Jr.; Arthur Shumate; Brian J. Rusch - Web page: https://patentgrep.com/patent/US9038837B2 ## CPC - H02G 3/081: {Bases, casings or covers} - B65D 88/10: parallelepipedic (B65D88/12 takes precedence) - B65D 90/023: {Modular panels} - B65D 90/026: {Parallel slats} - B65D 90/26: Overfill prevention - H02G 3/085: {including knock-out or tear-out sections} - H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES ## Abstract The present invention relates generally to electrical panels or enclosures. More particularly, the invention encompasses a removable endwall plate for electrical panels or enclosures. The present invention is also directed to a novel electrical panel or enclosure where an endwall is removably attached to a frame. The endwall can be removed and can be cut at desired locations to create holes or openings for electrical components. The removable endwall can also have one or more knockouts which can be removed from the endwall as needed. One could also have at least one knockout within the knockout. ## Claims ### Claim 1 An enclosure for an electrical apparatus comprising: (a) a wrapper, said wrapper having a back wall, a first side wall, a second side wall, and wherein a first edge of said back wall is secured to an edge of said first side wall, and a second edge of said back wall is secured to an edge of said second side wall to form said wrapper; (b) a bottom frame, wherein said bottom frame is secured to a bottom edge of said wrapper; (c) a top frame, wherein said top frame is secured to a top edge of said wrapper; and (d) at least one removable first endwall panel secured to said wrapper via at least one of said top frame and said bottom frame, wherein said at least one removable first endwall panel includes at least one first opening arranged in a first opening configuration and wherein said at least one removable first endwall panel is capable of being separable from said wrapper and said at least one top frame and said bottom frame, and wherein said at least one removable first endwall panel has a first surface and a second surface, and wherein said first surface of said at least one removable first endwall panel is in direct contact with the edges of said wrapper, while said second surface of said at least one removable first endwall panel is in direct contact with said at least one frame when said at least one removable first endwall panel is secured to said wrapper via said at least one frame to form said enclosure for an electrical apparatus and wherein said at least one removable first endwall panel is interchangeable with at least one removable second endwall panel having at least one second opening arranged in a second opening configuration different from said first opening configuration. ### Claim 2 (depends on 1) The enclosure of claim 1, wherein said at least one removable first endwall panel is secured to said bottom frame such that said at least one removable first endwall panel is between said bottom frame and said wrapper. ### Claim 3 (depends on 1) The enclosure of claim 1, wherein said at least one removable first endwall panel is secured to said top frame such that said at least one removable first endwall panel is between said top frame and said wrapper. ### Claim 4 (depends on 1) The enclosure of claim 1, wherein material for said enclosure is selected from a group consisting of a metallic material, a plastic material, a fiberglass material, a rubber material, and a composite material. ### Claim 5 (depends on 1) The enclosure of claim 1, wherein material for said at least one removable first endwall panel is selected from a group consisting of a metallic material, a plastic material, a fiberglass material, a rubber material, and a composite material. ### Claim 6 (depends on 1) The enclosure of claim 1, wherein at least one securing means secures said wrapper to said at least one frame. ### Claim 7 (depends on 1) The enclosure of claim 1, wherein at least one first opening is made in said at least one removable first endwall panel using at least one tool selected from a group consisting of a saw, a snip, a cutter, a laser beam, and a device for creating a hole in a panel. ### Claim 8 (depends on 1) The enclosure of claim 1, wherein said at least one removable first endwall panel has at least one preformed knockout. ### Claim 9 (depends on 1) The enclosure of claim 1, wherein said at least one removable first endwall panel has at least one preformed knockout, and wherein the shape of said at least one knockout is selected from a group consisting of a circular shape. ### Claim 10 (depends on 1) The enclosure of claim 1, wherein said at least one removable first endwall panel is secured to said wrapper using at least one securing means, and wherein said at least one securing means is selected from a group consisting of a screw, a nut, a bolt, and a weld. ### Claim 11 An enclosure for an electrical apparatus comprising: (a) a wrapper having a back wall, a first side wall, a second side wall, and wherein a first edge of said back wall is secured to an edge of said first side wall, and a second edge of said back wall is secured to an edge of said second side wall to form said wrapper; (b) a bottom frame, wherein said bottom frame is secured to a bottom edge of said wrapper; (c) a top frame, wherein said top frame is secured to a top edge of said enclosure; (d) at least one removable first endwall panel secured to said enclosure via at least one of said top frame and said bottom frame; (e) said at least one removable first endwall panel being removable from said enclosure; (f) removing said at least one removable first endwall panel from said at least one frame and forming at least one first opening arranged in a first opening configuration in said at least one removable first endwall panel; and (g) securing said at least one removable first endwall panel after forming said at least one opening back into its previous location and securing said at least one removable first endwall panel having said at least one opening using one of said frames to said wrapper, and wherein said at least one removable first endwall panel is capable of being separable from said wrapper and said at least one top frame and said bottom frame, and wherein said at least one removable first endwall panel has a first surface and a second surface, and wherein said first surface of said at least one removable first endwall panel is in direct contact with the edges of said wrapper, while said second surface of said at least one removable first endwall panel is in direct contact with said at least one frame when said at least one removable first endwall panel is secured to said wrapper via said at least one frame to form said enclosure for an electrical apparatus and wherein said at least one removable first endwall panel is interchangeable with at least one removable second endwall panel having at least one second opening arranged in a second opening configuration different from said first opening configuration. ### Claim 12 (depends on 11) The enclosure of claim 11, wherein said at least one removable first endwall panel is secured to said bottom frame, such that said at least one removable first endwall panel is between said bottom frame and said wrapper. ### Claim 13 (depends on 11) The enclosure of claim 11, wherein said at least one removable first endwall panel is secured to said top frame, such that said at least one removable first endwall panel is between said top frame and said wrapper. ### Claim 14 (depends on 11) The enclosure of claim 11, wherein material for said enclosure is selected from a group consisting of a metallic material, a plastic material, a fiberglass material, a rubber material, and a composite material. ### Claim 15 (depends on 11) The enclosure of claim 11, wherein material for said at least one removable first endwall panel is selected from a group consisting of a metallic material, a plastic material, a fiberglass material, a rubber material, and a composite material. ### Claim 16 (depends on 11) The enclosure of claim 11, wherein at least one securing means secures said wrapper to said at least one frame. ### Claim 17 (depends on 11) The enclosure of claim 11, wherein at least one first opening is made in said at least one removable first endwall panel using at least one tool selected from a group consisting of a saw, a snip, a cutter, a laser beam, and a device for creating a hole in a panel. ### Claim 18 (depends on 11) The enclosure of claim 11, wherein said at least one removable first endwall panel has at least one preformed knockout. ### Claim 19 (depends on 11) The enclosure of claim 11, wherein said at least one removable first endwall panel has at least one preformed knockout, and wherein the shape of said at least one knockout is selected from a group consisting of a circular shape. ### Claim 20 (depends on 11) The enclosure of claim 11, wherein said at least one removable first endwall panel is secured to said wrapper using at least one securing means, and wherein said at least one securing means is selected from a group consisting of a screw, a nut, a bolt, and a weld.